140052365 has 4 divisors (see below), whose sum is σ = 168062844. Its totient is φ = 112041888.

The previous prime is 140052361. The next prime is 140052377. The reversal of 140052365 is 563250041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56640676 + 83411689 = 7526^2 + 9133^2 .

It is a cyclic number.

It is not a de Polignac number, because 140052365 - 2² = 140052361 is a prime.

It is a super-2 number, since 2×140052365² = 39229329884186450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140052361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14005232 + ... + 14005241.

It is an arithmetic number, because the mean of its divisors is an integer number (42015711).

Almost surely, 2^140052365 is an apocalyptic number.

It is an amenable number.

140052365 is a deficient number, since it is larger than the sum of its proper divisors (28010479).

140052365 is an equidigital number, since it uses as much as digits as its factorization.

140052365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28010478.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 140052365 is about 11834.3721844465. The cubic root of 140052365 is about 519.3141413899.

The spelling of 140052365 in words is "one hundred forty million, fifty-two thousand, three hundred sixty-five".